impressionilt - apcthai · face form angle (ffa)5° what is the norm for the spectacle wearer? ......
TRANSCRIPT
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ImpressionILT
International Distribution PartnersRodenstock Munich
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Rodenstock Spectacles philosophy:
• The eyes and the spectacle wearer are most important.
• Esthetics: thin, anti reflection coatings.
• High wearing comfort: light, easy to care.
• Perfectly matching to the physiology of the spectacle wearer: individual calculation and production.
Rodenstock. As you can see.
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Sphere from +10,0 D up to –10,0 D: 81
How many ametropias do exist?
Cylinder from 0,0 D up to 6,0 D: 25
Axis from 0° up to 179°: 180
Base from 0° up to 359°: 360
Prism from 0,0 cm/m up to 6,0 cm/m: 25
Addition from 0,75 D up to 3,5 D: 13
Result: 42 646 500 000
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Semifinished lenses (Blanks).
shortsighted farsighted
0 D +10 D–10 D
Reduction to 6 or more semi-finished products for all ametropias.
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Production of prescription lenses.
Blank for –4.00 up to –2.00 D –2.00 D
Lens for–4.00 D –3.00 D
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Are you a human according to the norm?
Are you normal?
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PD 64 mmPantoscopictilt 7°
CVD13 mm
Face form angle (FFA)5°
What is the norm for the spectacle wearer?
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I am who I am!
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Individual optimisation parameters.
Face form angle(FFA)
Pupilary-distance (PD) Pantoscopic tilt (PT)
Cornea Vertex Distance (CVD)
Lens power/Refraction
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ImpressionILT
What isImpressionILT ?
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Impression ILT.
• The first backside progressive lens in the world, thatis only completely calculated and produced after theorder entry.
• All relevant individual data of the eyes, the head and the frame are taken into account.
• Tailor made for every individual spectacles wearer.
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Different progressivelens technologies
1.Step conventionel progressive lenses Progressiv Life 2with standard parameters (Inset according to addition and base curve) Progressiv AT
2. Step optimized with standard parameters (asph./ator. priscription surface) Multigressiv 2
3. Step Individualized with individual parameters (PD, CVD, PT, FFA); ILT ImpressionILT
-4.0
-3.0
-2.0
-1.0
0.0
Sphäre (dpt)
Zylin
der
(dpt
)
Base curve scheme
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New manufacturing concept.
Conventional:progressive front surfacespheric or toric back surface
ILT - Individual Lens Technology:sph front surfaceaspheric or atoric progressive back surface
Multigressiv:progressive front surfaceaspheric or atoric back surface
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ILT - Technology
Concept:
made out of spheric blanks + freeform back surface
Advantages:
• quicker realisation and implementation of new surface designs• individual surfaces possible
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Individual Lens Technology.
New Manufactoring
Technology
New Software
GenerationIndividualParameters
PrescriptionData
Impression ILT
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Multigressiv 2.
Aspheric/atoric backsurface (prescription)
ProgressiveFront Surface
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דופן נשיאה ספרית
Individual Lens Technology.
Progressive surface combined with
aspheric/atoric prescription surface on the back side
Spheric front surface
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What limitations have to be accepted by customerswith conventional progressive lenses?
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CVD: 13mm 12mm 14mm 9mm 13 mm
PT: 9° 12° 7° 14° 7°
FFA: 4° 6° 3° 15° 5°
PD: 32/32mm 32/32mm 32/32mm 32/32mm 32/32 mm
One Individual - different spectacles.
Standard
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Analysis of error with the spectaclefit.
CVD:13mm PT: 9°FFA: 4°
CVD:12mm PT: 12°FFA: 6°
CVD: 9mm PT: 14°FFA: 15°
CVD:14mm PT: 7°FFA: 3°
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Analysis of error with the spectaclefit.
CVD: 12mm PT: 12°FFA: 6°
CVD: 14mm PT: 7°FFA: 3°
CVD: 9mm PT: 4°FFA: 5°
CVD: 13mm PT: 9°FFA: 4°
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Schulungsunterlagen Multigressiv ILT & Impression ILT
PD: 32/32mm 28/27mm 35/33mm 32/32CVD: 11mm 14mm 13mm 13 mmPT: 7° 6° 6,5° 7°FFA: 16° 16° 16° 5°
Same frame - different individual.
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Schulungsunterlagen Multigressiv ILT & Impression ILT
Analysis of error with the spectaclefit.
CVD: 13mm PT: 6,5°FFA: 4°
CVD: 15mm PT: 2°FFA: 3°
CVD: 12mm PT: 9°FFA: 15°
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Impression ILT.
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Where do those limitations come from?
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Pupillary DistancePD 64 mm
Pantoscopic tiltPT 7°
Cornea Vertex DistanceCVD 13 mm
Face form angleFFA 5°
What happens if the spectacle wearer does not fit into this norm?
The norm.
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Dependence of the inset on the PD.
Distance vision.
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Dependence of the inset on the PD.
Distance vision.
PD
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PD
Distance vision.Standard PD 64 mm
Dependence of the inset on the PD.
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PD
Intermediate vision.Standard PD 64 mm
Dependence of the inset on the PD.
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PD
Near vision.Standard PD 64 mm
Dependence of the inset on the PD.
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PD larger than average. PD >
StandardNear vision.Standard PD 64 mm
Inset too small
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PD smaller than average. PD <
StandardNear vision.Standard PD 64 mm
Inset too big
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CVD
Near vision.Standard CVD 13 mm
Standard Cornea Vertex Distance (CVD)
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CVD
Cornea Vertex Distance (CVD) smaller than average
Near vision.Standard CVD 13 mm
Inset too big
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CVD
Cornea Vertex Distance (CVD) smaller than average
Near vision.Standard CVD 13 mm
Inset too big
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HSA
Cornea Vertex Distance (CVD) larger than average
Near vision.Standard CVD 13 mm
Inset too small
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BF
BN
Standard Pantoscopic Tilt
Pantoscopic TiltStandard PT 7°
CVD distance = CVD near
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The moving eye.
R
R
R
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Far point sphere with the moving eye (3D).
R
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Focal point sphere of the lens.
F‘
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R
Lens centration.
F‘
Far and focal point spheres must be identical, in order to achieve perfect vision.
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Standard pantoscopic tilt 7°.
RF‘
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Larger pantoscopic tilt.
R
F‘
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BF
BN
Pantoscopic tilt larger than standard.
Pantoscopic TiltStandard PT 7°
Inset too big
CVD distance > CVD near
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Smaller pantoscopic tilt.
RF‘
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BF
BN
Pantoscopic tilt smaller than standard.
Pantoscopic TiltStandard PT 7°
Inset too small
CVD distance < CVD near
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CVD temporal = CVD nasal
Standard Face Form Angle
Face Form AngleStandard PT 5°
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CVD temporal < CVD nasal
Standard Face Form Angle larger than standard
Face Form AngleStandard PT 5°
Inset too big
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Face form angle standard 5°.
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Face form angle larger (bow inwards)
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Face form angle smaller (bow outwards)
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The Product.
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Differences in Design.
Multigressiv 2 ImpressionIL
T
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Dynamic distortion (swim effect).
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Less distortion.
Multigressiv 2sph +0,5 Add 2,0
dpt
Impression ILT
sph +0,5 Add 2,0 dpt
Verg
röße
rung
[%]
Change of magnification
Eye movement [mm]
Mag
nific
atio
n [%
]
Eye movement [mm]
35% lower difference of magnification
.
Mag
nific
atio
n[%
]
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The benefits for the spectacle wearer.
Vincent van Gogh
Herkömmliches Gleitsichtglas.ImpressionILT
enlarges the visual expression
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ImpressionILT
Advantages:
• less distortion
• more even magnification
• minimal rest reflections on the front surface
• glazing properties: straighter bevel edge
• optimum inset for every power
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Sph +0,50 Add 2,00Sph +2,00 Add 2,00Sph +5,00 Add 2,00Sph -4,00 Add 2,00Sph -1,00 Add 2,00
Tailor-made in accordance with the spherical effect.
A more variable inset dependent on the effect.
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Tailor-made in accordance with the cylindrical effect.
เลนสโพรเกรสซีฟราคาแพงเทคโนโลยีเกา แบบ
Semi-Finished Progressive Front Surface
Sph +2.00 Add 2.00
A more variable inset dependent on the effect.
Sph +2.00 Cyl +100 Add 2.00
Sph +2.00 Cyl +2.00 Add 2.00
Sph +2.00 Cyl +3.00 Add 2.00
เลนสโพรเกรสซีฟ Individual Free Form
Technology ImpressionILT
Sph +6.00
Cyl -4.00
Add 2.00
Sph +6.00
Cyl -4.00
Add 2.00
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PD 64 mmPantoscopictilt 7°
CVD13 mm
Face form angle (FFA) 5°
The basis of lens optimisation.Measurements of the system eye and spectacles.
The norm.
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Impression ILT Availability.
Material
Perfalit 1.5 availablePerfalit 1.6 available
with New Solitaire Coating
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Material Solitaire 1.6 Solitaire SC Solitaire MC
Developed for:
ProductionTechnology:
Reflection/surface
Transmission
Rest reflection
Perfalit 1.6 Perfalit 1.5 Perfalit 1.5High Index Lacquer + plasma supported AR
Plasma supportedIntegral process
Plasma supportedIntegral process
0.8 % 1.0 % 2.0 %
98.2 % 98.0 % 96.0 %
green-yellowish turquois-blue red-purpur
Comparison Solitaire Coatings
Clean-Coat Clean-Coat will still be used.
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Impression ILT Availability.
MaterialPerfalit 1.5 availablePerfalit 1.6 available
with New Solitaire 1.6 Coating
Perfalit CM extra grey availablePerfalit CM extra brown available
Mineral 1.6 available
Colormatic 1.6 grey availableColormatic 1.6 brown available
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Advantages of Impression ILT
• Less distortion.
• Cosmetically appealing lenses
• Improved fields of vision.
• Optimal inset
• Same fields of vision for varied spectacles.
• Inset according to PD, CVD, PT
• Surface optimisation according to CVD, PT, FFA• Choice of inset - 0%, 50%, 100%
• “Variable” straightening of lenses
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“I only wear what suits me”
By nature you are a unique individual. And Rodenstock makes sure that you have a unique visual experience combined with good looks.
They provide optimum vision and are as unique andindividual as your own face. We want you to wear only the spectacles that suit you.
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What is your Impression?
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How do you fit ImpressionILT lenses?
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Necessary values for Impression ILT.
Today you measure:PD for right and left eyeFitting height
Additionally you measure for Impression:Pantoscopic TiltCornea Vertex DistanceFace Form Angle.
Show your competence!
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Individual optimisation parameters.
Face form angle(FFA)
Pupilary-distance (PD) Pantoscopic tilt (PT)
Cornea Vertex Distance (CVD)
Lens power/Refraction
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Impression ILT: Stamp Marking and Engraving
Impression ILT
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Impression ILT stamp marking and engraving
Multigressiv 2
20 55
Impression ILT
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Impression ILT
Inset 2.50 mm
Inset 3.50 mm
Inset 1.50 mm
Impression ILT stamp marking and engraving
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Vertical centration (height).
Multigressiv 2
40 520
Centering cross on middle of the pupileyes looking straight aheadhead and body in habitual position.
ImpressionILT
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Vertical deviation of centration (height).
Multigressiv 2
40 520
ImpressionILT
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Vertical deviation of centration (height).
RF‘
Downwards glance
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Measuring of Interpupillary Distance (IPD)
It´s not necessary to use aPD-Meter or Videosystems for exact values
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Single PD.
PDR PDL
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Measuring Tool for PD, CVD and face form angle.
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PD and CVD measuring ruler.
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CVD-Measuring ruler.
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Measuring of (Corneal) Vertex Distance (CVD)
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L0 10 20
R20 10 0
CVD measuring ruler
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CVD measuring ruler
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L0 10 20
R20 10 0
CVD measuring ruler
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L0 10 20
R20 10 0
CVD measuring ruler
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L0 10 20
R20 10 0
CVD measuring ruler
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L0 10 20
R20 10 0
11 mm
CVD measuring ruler
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0 10 20
20 10 0
L
R
Left eye
20 10 0
L0 10 20
R
CVD
Right eye
CVD
CVD measuring ruler.
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CVD
CVD
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Pantoscopic tilt.
Pantoscopic tilt °
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Eyes straight ahead, lifted head position
Eyes straight ahead, head held in thenormal position
Pantoscopic tilt.
Distance (mm)
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Measuring the Pantoscopic Tilt of the Frame
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Pantoscopic tilt
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The Face Form Angle
FFA
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Measuring of the Face Form Angle
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25
2015 10
50
-5
Face form angle.
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25
2015 10
50
-5
Face form angle.
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25
2015 10
50
-5
Face form angle.
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25
2015 10
50
-5
Face form angle.
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25
2015 10
50
-5
Face form angle.
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25
2015 10
50
-5
5°
Face form angle.
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Face form angle.
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A valuable alternative
A video centering system..
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Impression ILT - Order form
Prescription frame data (pre-fitted).CVD [ mm ]Vertex distance of spectacle frame (mm)
R in mm L in mm
Angle [ ° ]
R LPantoscopic tilt [ mm ] or [ ° ]Give as distance or angle.
Distance [mm]
R L
Face form angle [ ° ] in degrees
or
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Impression ILT - Labels on the lens envelope
IMPPRESSION ILT 65SOLITAIRE SC PLUSCOLORMATIC EXTRA BRAUNRechts sph cyl A pr B AddBestw : 0.50 1.00 64 2.00Messw : 0.48 1.05 61 1.94*PD: 31,5 HSA: 10,5 Vorn.: 4° Fsw.: 4°Zentr.- Korr.: temp 1,20 mm; unten: 0,00 mm
*)cc: bezogen auf sph Äquivalent
Lage des Nahmess-punktes
4.00 0°4,12 0°
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4 Fitting Steps:
A short summary of the performed measurements as a reminder
Explanation of the advantages for spectacle wearers and the benefits for opticians
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Advantages of Impression ILT
• Individual optimized for every prescription and individual parameters
• Less distortion.
• More even magnification
• Cosmetically appealing lenses
• Same improved fields of vision with various spectacles.
• Optimal inset according to PD, CVD, PT
• Choice of inset - 0%, 50%, 100%
• “Variable” straightening of lenses
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Sales arguments for Impression ILT
• optimised for you and your spectacles• best results with larger fields of vision• optimum vision from near to far• comes very close to natural vision• enlarged choice of frames• thin and light• less adaptation time• less distortion
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Thank you for your attention
Good success!
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Thank you for your attention
Thank you very much for your attention.